14ed4ec8a
Denys Vlasenko
2021-03-20
Subject
resume: write offset in /sys/power/resume_offset
Binary
No binary (build failed)
Architecture & Compiler Flags
—
Build Log
(log yok)
Commit Diff GitHub →
klibc-utils/resume.c+8 -1
| @@ -103,10 +103,17 @@ int resume_main(int argc UNUSED_PARAM, char **argv) | |
| if (major(resume_device) == 0) { | |
| bb_error_msg_and_die("invalid resume device: %s", argv[0]); | |
| } | |
| + | |
| ofs = (argv[1] ? xstrtoull(argv[1], 0) : 0); | |
| + | /* Old kernels have no /sys/power/resume_offset, set it only if necessary */ |
| + | if (ofs != 0) { |
| + | fd = xopen("/sys/power/resume_offset", O_WRONLY); |
| + | s = xasprintf("%llu", ofs); |
| + | xwrite_str(fd, s); |
| + | } |
| fd = xopen("/sys/power/resume", O_WRONLY); | |
| - | s = xasprintf("%u:%u:%llu", major(resume_device), minor(resume_device), ofs); |
| + | s = xasprintf("%u:%u", major(resume_device), minor(resume_device)); |
| xwrite_str(fd, s); | |
| /* if write() returns, resume did not succeed */ | |